Demographics of Somerville city, Massachusetts

Somerville city, Massachusetts had 84,211 people on July 1, 2025, by the Census Bureau’s estimate: +3,434 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Somerville city, in four figures

84,211
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 81,036 ±33.; +4.3%
Change since July 2020: +3,434 people.; 31.9 ±0.6
Median age: ACS 2020–⁠2024.; $132,572 ±$6,106
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Somerville city, Massachusetts's population grew 4.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Somerville city, Massachusetts's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Somerville city, Massachusetts's population grew 4.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Somerville city, Massachusetts's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	80,777	100.0	100.0
2021	80,824	100.1	100.2
2022	82,641	102.3	100.7
2023	83,258	103.1	101.6
2024	84,088	104.1	102.5
2025	84,211	104.3	103.1

Population of Somerville city, Massachusetts on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	80,777	—
2021	80,824	+47
2022	82,641	+1,817
2023	83,258	+617
2024	84,088	+830
2025	84,211	+123

Age, 2020–2024

The median age is 31.9 ±0.6: for men 32.1 ±0.7 and for women 31.7 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Somerville city by age, ACS 2020–2024
Age	People	Share	Massachusetts	United States
Under 5	3,104 ±372	3.8% ±0.5	5.0% ±<0.1	5.6% ±<0.1
5 to 17	4,857 ±556	6.0% ±0.7	14.4% ±0.1	16.3% ±<0.1
18 to 24	11,467 ±962	14.2% ±1.2	9.8% ±0.1	9.1% ±<0.1
25 to 44	39,902 ±1,505	49.2% ±1.9	27.1% ±0.1	26.9% ±<0.1
45 to 64	13,598 ±909	16.8% ±1.1	25.9% ±0.1	24.8% ±<0.1
65 and over	8,108 ±643	10.0% ±0.8	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $132,572 ±$6,106, and income per person $73,940 ±$2,399, in 2024 dollars. The median is $103,960 ±$527 in Massachusetts and $80,734 ±$166 in the United States.

Households by income

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Households in Somerville city by income, ACS 2020–2024
Household income	Households	Share	Massachusetts	United States
Under $25,000	4,069 ±568	11.4% ±1.6	13.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,873 ±400	8.0% ±1.1	12.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	3,446 ±441	9.6% ±1.2	12.0% ±0.2	15.5% ±<0.1
$75,000 to $99,999	3,047 ±447	8.5% ±1.2	10.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	6,343 ±629	17.8% ±1.7	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	5,133 ±659	14.4% ±1.8	11.9% ±0.1	9.6% ±<0.1
$200,000 or more	10,804 ±534	30.3% ±1.3	22.3% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Somerville city by age, ACS 2020–2024
Age	Below poverty	Rate	Massachusetts	United States
All ages	7,682 ±920	9.8% ±1.2	10.0% ±0.1	12.5% ±0.1
Under 18	525 ±214	6.7% ±2.7	11.7% ±0.3	16.1% ±0.1
18 to 59	5,356 ±732	9.0% ±1.2	9.3% ±0.2	11.6% ±0.1
60 and over	1,801 ±339	16.3% ±2.8	10.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Somerville city, ACS 2020–2024
Measure	Somerville city	Massachusetts	United States
Housing units	37,756 ±837	3,030,406 ±453	143,775,355 ±10,234
Occupied	94.6% ±0.9	91.9% ±0.2	89.9% ±0.1
Vacant	5.4% ±0.9	8.1% ±0.2	10.1% ±0.1
Owner occupied	34.2% ±1.8	62.5% ±0.3	65.2% ±0.3
Renter occupied	65.8% ±1.8	37.5% ±0.2	34.8% ±0.1
Median home value	$911,300 ±$25,952	$562,100 ±$2,169	$332,700 ±$236
Median gross rent	$2,517 ±$64	$1,762 ±$9	$1,413 ±$2
Median year built	At the edge of the top or bottom interval	1964 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Somerville city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Massachusetts	United States
Hispanic or Latino	9,245 ±1,336	11.4% ±1.6	13.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	53,144 ±1,623	65.6% ±2.0	66.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	3,587 ±631	4.4% ±0.8	6.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	9,327 ±1,045	11.5% ±1.3	7.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	1 to 37	< 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	11 to 71	< 0.1% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,122 ±394	1.4% ±0.5	1.2% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	4,551 ±723	5.6% ±0.9	5.1% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Somerville city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Massachusetts	United States
Born in the state	31,244 ±1,233	38.6% ±1.5	58.7% ±0.2	57.3% ±<0.1
Born in another state	28,837 ±1,175	35.6% ±1.4	20.3% ±0.2	26.9% ±<0.1
Born a citizen outside the states	1,515 ±360	1.9% ±0.4	2.9% ±0.1	1.7% ±<0.1
Born abroad	19,440 ±1,197	24.0% ±1.5	18.0% ±0.1	14.1% ±<0.1
Naturalized citizens	8,349 ±777	10.3% ±1.0	9.7% ±0.1	7.4% ±<0.1
Not citizens	11,091 ±1,016	13.7% ±1.3	8.3% ±0.1	6.8% ±<0.1

Somerville city among the places and towns of Massachusetts

13th of 291 places and towns of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Massachusetts page.

Places of Massachusetts near Somerville city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Lynn city	101,709 ±39
New Bedford city	100,998 ±45
Fall River city	94,082 ±120
Newton city	89,044 ±48
Lawrence city	88,736 ±36
Somerville city	81,036 ±33
Framingham city	72,399 ±45
Haverhill city	67,698 ±63
Malden city	65,906 ±67
Waltham city	64,902 ±43
Plymouth town	63,953 ±79

Elsewhere on the site

Reported crime in Somerville city, Massachusetts

Rankings this appears in

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026